Electric fan



FIG. 1 is a front elevational view of an electric fan;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a right side perspective view thereof;

FIG. 4 is a left side perspective view thereof;

FIG. 5 is a top perspective view thereof;

FIG. 6 is a bottom elevational view thereof;

FIG. 7 is a perspective view thereof; and,

FIG. 8 is another perspective view thereof showing the fan tilted atanother angle.

The ornamental design for an electric fan, as shown.